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Questions Asked on April 13, 2012

A solution contains an unknown mass of dissolved barium ions. When sodium sulfate is added to the solution, a white precipitate
1. 3 answers
2. asked by Beth
3. 5,618 views
Which of the following pairs can be used to prepare a buffer? (select all that can apply)a. HCl/NaCl b. HF/KF c. NH3/NH4Cl d.
1. 1 answer
2. asked by kc
3. 5,339 views
2. A pool has an area A = 50 m2 and depth h = 2.5 m. The pool is filled with water to the maximum height. An electrical pump is
1. 2 answers
2. asked by Sean
3. 4,786 views
if a person is pushing a cart with a force of 40 Newtons and it accelerates at 0.5 m/s2 , what is the mass of the cart ?
1. 4 answers
2. asked by ariel
3. 3,735 views
What is the limiting reactant of 4000 grams of heptane is combusted with 7000 grams of oxygen?
1. 1 answer
2. asked by bob
3. 2,722 views
Please explain to work this:A rocket is launched from atop a 105-foot cliff with an initial velocity of 156ft/s. the height of
1. 4 answers
2. asked by Mary
3. 2,692 views
The endpoints of the diameter of a circle are (-6,2) and (10,-2). What are the coordinate of the center of the circle?
1. 3 answers
2. asked by Geometry
3. 2,682 views
Please help me figure this out!What is he trying to say/What is this poem's meaning? Why did he write it? How does the
1. 2 answers
2. asked by Witchita
3. 2,543 views
A body of weight 500N is liying on a rough plane inclined at angle 25 with the horizontal, it ir supported.by an effort P,
1. 4 answers
2. asked by Musty
3. 2,395 views
How much limestone in kilograms is required to completely neutralize a 3.8 x 109 L lake with a pH of 5.5?
1. 1 answer
2. asked by Cloey
3. 2,079 views
A cell phone company’s profit is modeled by the function p(x) = 10x − x2 − 1, where p is expressed in thousands of dollars
1. 2 answers
2. asked by laura
3. 2,037 views
tell me if I am correct. In order to find the sum of the angles in a 50-gon, you have to find the number of triangle in a
1. 4 answers
2. asked by Dakota
3. 1,777 views
At the beginning of April, Owl Corporation has a balance of $12,000 in the Retained Earnings account. During the month of April,
1. 2 answers
2. asked by John
3. 1,774 views
The area of a regular decagon is 50cm2. What is the area of a regular decagon with sides four times the sides of the smaller
1. 4 answers
2. asked by Matt
3. 1,773 views
A disturbance sends ripples across water in a tub. These ripples are an example of a?rarefaction longitude wave compression
1. 2 answers
2. asked by kevin
3. 1,769 views
How many kilocal are required to increase the temperature of 15.6 g of iron from 122 °C to 355 °C? The specific heat of iron
1. 4 answers
2. asked by Emily
3. 1,757 views
A harpsichord string of length 1.50 m and linear mass density 26.0 mg/m vibrates at a (fundamental) frequency of 460.0 Hz.(a)
1. 2 answers
2. asked by Reza
3. 1,725 views
As more branches are added to a parallel circuit, the overall resistance of the circuit does which of the following?. A) remains
1. 2 answers
2. asked by britches
3. 1,702 views
Maria cut a pizza into 8 equal slices. She put a slice of pizza on 3 plates. What is the measure of the angle for the slices
1. 6 answers
2. asked by Kiki
3. 1,557 views
Three concentric metallic sphere shells of radii R,2R,3R are given charges Q1,Q2,Q3 respectively. It is found that the surface
1. 2 answers
2. asked by sarthak
3. 1,486 views
Suppose a forest fire spread in a circle with radius changing at a rate of 5 feet per minute. When the radius reaches 200 feet,
1. 2 answers
2. asked by Sandra Gibson
3. 1,469 views
Bobbie is playing with his radio-controlled car by using a handheld remote box. What type of energy is being used to power
1. 4 answers
2. asked by Sally urgenttt
3. 1,455 views
I'm in need of some help. What do you think would be a good thesis statement for and essay on abortion pro-life? I have thought
1. 8 answers
2. asked by Mackenzie
3. 1,431 views
Write 60% as a Fraction & Write 60% as a Decimal.
1. 3 answers
2. asked by Mary T.
3. 1,426 views
The electron in a hydrogen atom with an energy of -0.544 eV is in a subshell with 18 states.What is the principal quantum
1. 1 answer
2. asked by jazz
3. 1,369 views
A piece of glass is immersed in water . If a light ray enters the glass from the water with an angle of incidence greater than
1. 1 answer
2. asked by Karen
3. 1,344 views
Find the speed of sound (in m/s) at -35°C at 1 atm pressure in dry air.
1. 2 answers
2. asked by George
3. 1,333 views
If a voltage difference of 3V causes a 1.5 current, what is the resistance in the circuit
1. 2 answers
2. asked by francisca
3. 1,330 views
Most of us are aware of the energy concerns of today and the future. There are many pros and cons to the energy sources we
1. 1 answer
2. asked by Anonymous
3. 1,315 views
Explain how the following events would affect the demand for labor.A new education program administered by the company increases
1. 4 answers
2. asked by Anonymous
3. 1,283 views
Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they
1. 1 answer
2. asked by Alex
3. 1,260 views
What is your speed at the bottom of the "frictionless" Tornado water slide at Great America if the height of the slide is 34.0
1. 0 answers
2. asked by Anonymous
3. 1,250 views
perimeter of a triangle is 18 cm, what is the length of its longest side??
1. 2 answers
2. asked by Anonymous
3. 1,237 views
Identify and describe one environmental problem that causes ill health,accidents,crises and disasters.
1. 4 answers
2. asked by Tshepiso
3. 1,223 views
What Is The Measure,In Degrees, Of Each Exterior Angle Of A Regular Hexagon ?
1. 1 answer
2. asked by Dats Whoooo
3. 1,207 views
Byron Corporation's target capital structure consists of 40% debt and 60% common equity. Assume that the firm has no retained
1. 2 answers
2. asked by Anonymous
3. 1,194 views
Amber visits a theme park that has a roller coaster that travels upside down. Which of the following is the best explanation for
1. 1 answer
2. asked by Harry please please
3. 1,192 views
The object distance for a convex lens is 15.0 cm, and the image distance is 5.0 cm. The height of the object is 9.0 cm. What is
1. 0 answers
2. asked by Kelly
3. 1,192 views
Jenny does the dishes every third day, Mark every fourth day, and Misty every sixth day.If they all shared dish duty today, when
1. 2 answers
2. asked by carmen
3. 1,158 views
Anticolonial movements shared all but which of the following features?Answer A Some form of nationalism B Inspiration from
1. 2 answers
2. asked by nicole
3. 1,151 views
The two figures are similar, solve a proportion to find the length n.Express the result as either a whole number or use decimal
1. 0 answers
2. asked by Cheril
3. 1,125 views
a gas occupies a volume of 5L at a temp. of 20C and a pressure of 1atm. what volume would it occupy at a temp. of 30C and a
1. 1 answer
2. asked by Amanda
3. 1,125 views
invest $25,000 at 8% interest compounded continuously, what is the average amount in your account over one year?
1. 2 answers
2. asked by Alex
3. 1,123 views
if kate has 8 red, 4 blue and 4 green jelly beans in her pocket, what is the minimum amount of jelly beans she can bring out of
1. 1 answer
2. asked by Anonymous
3. 1,115 views
Use bond energies (Table below) to estimate H (kJ) for the following gas-phase reaction:(CH3)2CHOH(g) ==> (CH3)2C=O(g) + H2(g)
1. 0 answers
2. asked by Valerie
3. 1,113 views
The number of electrons that move about the nucleus of an electrically neutral atom is the same as the number of
1. 1 answer
2. asked by Kristie
3. 1,108 views
Idk how to do this! :(Write an equation of the line that passes through the given point and is perpendicular to the given line
1. 1 answer
2. asked by Chrissy
3. 1,101 views
Bobbie is playing with his radio-controlled car by using a handheld remote box. What type of energy is being used to power
1. 1 answer
2. asked by Sally urgenttt
3. 1,100 views
Teach me how to express 5sqrt3 - 5i in polar form please.I don't want you to do the work for me. Just show me the steps I need
1. 1 answer
2. asked by tabby
3. 1,053 views
C = 2nr!?!??!??!Since the NYS Math Exam is coming up (in my district in my school we have it next week). You see in my class
1. 4 answers
2. asked by Laruen
3. 1,046 views
How do i find the exact value of sin 15 using the half angle formula
1. 2 answers
2. asked by Briana
3. 1,045 views
Three identical small Styrofoam balls of mass1.53 g are suspended from a ﬁxed point by three nonconducting threads, each with
1. 0 answers
2. asked by John
3. 1,044 views
1)If A is an invertible matrix and k is a positive integer, then(A^k)^-1 = (A^-1)^k note: ^ stand for power, -1 stand for
1. 0 answers
2. asked by soasi piutau
3. 1,031 views
A landscaper is choosing a compost bin. He wants it to hold exactly 12 cubic feet of compost. Using whole numbers only, how many
1. 2 answers
2. asked by Alice S.O.S
3. 1,021 views
Find the quotient...Show work.....y^4+y+1/y^2-9
1. 2 answers
2. asked by Lueshelle
3. 1,015 views
people who attract a lot of friends are neither negative nor needy.
1. 1 answer
2. asked by Jasmin Romo
3. 996 views
Janna is creating a multi-tiered cupcake display for a party. She plans on having 16 cupcakes on each tier.-There is a 1-inch
1. 1 answer
2. asked by Kelly
3. 976 views
How do I write a balanced equation for the following...Sulfur trioxide gas is bubbled through 125ml of a 0.165M sodium hydorxide
1. 1 answer
2. asked by Cindy
3. 974 views
A box contains 3 white and 5 black balls. Four balls are drawn at random"with replacement" from the box (i.e. selected balls are
1. 1 answer
2. asked by Anonymous
3. 956 views
How is my introductory paragraph to persuasive writing?Picture this, you are taking a test and the person next to you is chewing
1. 4 answers
2. asked by Dakota
3. 954 views
what is the conjunction and preposition to this sentence Deep tendon reflexes were intact with an upgoing toe on the left.
1. 1 answer
2. asked by cassie
3. 948 views
Divide 7/24 by 35/48 and reduce the quotient to the lowest fraction.A. 245/1152 B. 4/10 C. 2/5 D. 42/48
1. 2 answers
2. asked by will
3. 944 views
A truck of mass 2000kg travelling due south collides at an intersection with a car of mass 1200kg travelling due east. The car
1. 1 answer
2. asked by Lycra
3. 932 views
An electron of mass 9.1E-31 kg is released from rest at a distance of 7.1 E-10 m from a fixed electron. The force on the movable
1. 2 answers
2. asked by andrew
3. 925 views
A mixture of light with wavelength 540 nm and light with wavelength 400 nm is aimed at a pair of slits to produce a double-slit
1. 7 answers
2. asked by Anonymous
3. 918 views
A gas occupies 200ml volume at a pressure of 760 mm. what volume would it occupy at a pressure of 800mm.
1. 1 answer
2. asked by Fatihisko
3. 912 views
P2 has a mysterious inner product * for which {x+4, 3x-5} is an orthonormal basis. IS there enough information to tell what is
1. 0 answers
2. asked by Scott
3. 876 views
What other information about the Great barrier reef people would like to know about it?
1. 1 answer
2. asked by al
3. 865 views
What is locomotor reflexes?
1. 1 answer
2. asked by KAYDANEW
3. 864 views
Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they
1. 1 answer
2. asked by Alex
3. 854 views
What is the meaning & how did you figure it out? thanksMarch for a One Man Band by David Wagoner He’s *a boom a blat* in the
1. 1 answer
2. asked by Josh
3. 852 views
The current market wage rate is $10, the rental rate of land is $1,000 per unit, and the rental rate of capital is $500.
1. 1 answer
2. asked by Anonymous
3. 848 views
What voltage is required to run a 45 W light bulb if the current is 0.5 A?
1. 1 answer
2. asked by billy
3. 832 views
when telling someone how to get to your house from campus, you need toa) give your direction of travel b) give your distance
1. 2 answers
2. asked by AMBER !
3. 820 views
A bacterial population starts at 500 and doubles every four days. Find a formula for the population after t days and find the
1. 1 answer
2. asked by Sandra Gibson
3. 779 views
How old is the great barrier reef?
1. 1 answer
2. asked by al
3. 777 views
What pressure is exerted by 0.010 mol of methane gas if it is volume is 0.26 L at 373°K?
1. 1 answer
2. asked by Kayla
3. 770 views
can I please have help with these 3 questions?1. Solve this equation graphically on the interval [0, 2ð]. list the solutions.
1. 2 answers
2. asked by BreAnne
3. 755 views
An engine absorbs 2000J of heat from a hot reservoir and expels 750J to a cold reservoir during each operating cycle. What is
1. 2 answers
2. asked by me
3. 750 views
Snap to It...I snap my fingers now, in one second, I smap them again. I wait two seconds and snap them a third time. I wait 4
1. 1 answer
2. asked by Linda
3. 747 views
Physics Report! What should i write..please help me need ideas !best answer!?Well First my report should be focused on Circular
1. 1 answer
2. asked by Rodney
3. 737 views
A body of weight 500N is liying on a rough plane inclined at angle 25 with the horizontal, it ir supported.by an effort P,
1. 1 answer
2. asked by Musty
3. 734 views
Why do you suppose the leaders of newly independent nations in southeast Asia tended to be repressive, corrupt, or both?
1. 1 answer
2. asked by Monica
3. 733 views
Snap to It...I snap my fingers now, in one second, I smap them again. I wait two seconds and snap them a third time. I wait 4
1. 3 answers
2. asked by Linda
3. 714 views
michael has a gallon of oil.describe two ways that michael can divide all of the oil into for containers.
1. 3 answers
2. asked by roshni
3. 702 views
Suppose a fuel-cell generator was used to produce electricity for a house. If each H2 molecule produces 2e- how many kilograms
1. 1 answer
2. asked by Anonymous
3. 696 views
What policy first committed the United States to the containment of communism?Truman Doctrine Marshall Plan Yalta Accords or
1. 1 answer
2. asked by Izzy
3. 692 views
The FDA recommends that adults ingest less than 2.4 g of sodium per day. How many liters of softened water, containing a sodium
1. 1 answer
2. asked by Cloey
3. 688 views
To say that charge is conserved is to say that charge ____________________. A) is transferred, but never created or destroyed.B)
1. 0 answers
2. asked by Kristie
3. 671 views
You’ve decided to operate a day care home. Which one of thefollowing factors is the most important in helping you make your
1. 4 answers
2. asked by anna
3. 667 views
find the slope of the tangent line at the point (1,2) for the ellipse 2x^2+3y^2=14y'(1) = ??
1. 1 answer
2. asked by Mhd
3. 663 views
√(21x^2y/(75xy^5)it says on my paper to enter it: √b, enter sqrt(b). For example: For 4√3 enter 4sqrt(3) Please help, I've
1. 1 answer
2. asked by Nancy
3. 662 views
. In an electron microscope the electrons generate theimage. For one of the scanning electron microscopes in our Central
1. 1 answer
2. asked by Anonymous
3. 659 views
Two prisms are similar. The surface area of one is four times the surface area of the other. What is the ratio of the
1. 1 answer
2. asked by samantha
3. 646 views
An electron drops from the L shell to the K shell and gives off an X-ray with a wavelength of 0.0205 nm.What is the atomic
1. 2 answers
2. asked by jazz
3. 643 views
Delila has $1200 in a saving account and in a checking account. The ratio of money in saving to money in the checking is 3 to 2.
1. 0 answers
2. asked by unknown
3. 635 views
You have 6 cups of sugar. It takes 1 cup of sugar to make 24 cookies. The function c(s) = 24s represents the number of cookies,
1. 1 answer
2. asked by Jane
3. 631 views
The heat ofvaporization of water at 373K is40.7kj/mol. Find q for the evaporation of 491g of water at this temperation
1. 2 answers
2. asked by Anonymous
3. 628 views
find the mass of water in a bath tub whose interior is 1.300m long and 0.600m wide and that is filled to height of 0.3000m
1. 1 answer
2. asked by Patience
3. 627 views
The FDA recommends that adults ingest less than 2.4 g of sodium per day. How many liters of softened water, containing a sodium
1. 1 answer
2. asked by Cloey
3. 622 views

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